/**
 * Copyright (c) 2021 OceanBase
 * OceanBase CE is licensed under Mulan PubL v2.
 * You can use this software according to the terms and conditions of the Mulan PubL v2.
 * You may obtain a copy of Mulan PubL v2 at:
 *          http://license.coscl.org.cn/MulanPubL-2.0
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PubL v2 for more details.
 */

#ifndef OCEANBASE_SQL_OB_RENAME_TABLE_RESOLVER_
#define OCEANBASE_SQL_OB_RENAME_TABLE_RESOLVER_

#include "sql/resolver/ddl/ob_rename_table_stmt.h"
#include "sql/resolver/ddl/ob_ddl_resolver.h"

namespace oceanbase
{
namespace sql
{

class ObRenameTableResolver : public ObDDLResolver
{
  static const int64_t OLD_NAME_NODE = 0;
  static const int64_t NEW_NAME_NODE = 1;
  static const int64_t NAME_NODE_COUNT = 2;
public:
  explicit ObRenameTableResolver(ObResolverParams &params);
  virtual ~ObRenameTableResolver();
  virtual int resolve(const ParseNode &parse_tree);
  ObRenameTableStmt *get_rename_table_stmt() { return static_cast<ObRenameTableStmt*>(stmt_); };
private:
  int resolve_rename_action(const ParseNode &rename_action_node);
  DISALLOW_COPY_AND_ASSIGN(ObRenameTableResolver);
};


} //end namespace sql
} //end namespace oceanbase

#endif // OCEANBASE_SQL_OB_RENAME_TABLE_RESOLVER_
